The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 13 November 2025 06:24 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	8151	398079	3.83%	12641	31.49	UNINET, MX
2	16509	313326	3.02%	14656	21.38	AMAZON-02, US
3	5413	214242	2.06%	98	2186.14	WAVENET-AS5413, GB
4	36903	108308	1.04%	1250	86.65	MT-MPLS, MA
5	42337	79224	0.76%	695	113.99	RESPINA-AS, IR
6	31163	75737	0.73%	237	319.57	MF-KAVKAZ-AS, RU
7	39891	71791	0.69%	4833	14.85	ALJAWWALSTC-AS, SA
8	7821	66576	0.64%	17	3916.24	ZAYO-MN, US
9	13188	63904	0.61%	1607	39.77	TRIOLAN, UA
10	4155	60449	0.58%	3818	15.83	USDA-1, US
11	212477	59643	0.57%	143	417.08	ROYALE-AS, NL
12	335	55410	0.53%	225	246.27	DNIC-ASBLK-00306-00371, US
13	31133	50629	0.49%	465	108.88	MF-MGSM-AS PJSC MegaFon, RU
14	6147	48463	0.47%	1781	27.21	Telefonica del Peru S.A.A., PE
15	647	38924	0.37%	436	89.28	DNIC-ASBLK-00616-00665, US
16	58224	37669	0.36%	1167	32.28	TCI, IR
17	36914	37548	0.36%	587	63.97	KENET-AS, KE
18	37294	35476	0.34%	134	264.75	TNM, MW
19	18403	35321	0.34%	4536	7.79	FPT-AS-AP FPT Telecom Company, VN
20	4780	34350	0.33%	1047	32.81	SEEDNET Digital United Inc., TW
21	15766	33928	0.33%	16	2120.50	DOMICILIUM-AS, IM
22	31208	33273	0.32%	50	665.46	MF-CENTER-AS, RU
23	21003	31499	0.30%	160	196.87	GPTC-AS, LY
24	197207	31198	0.30%	822	37.95	MCCI-AS, IR
25	11830	30924	0.30%	1992	15.52	Instituto Costarricense de Electricidad y Telecom., CR
26	367	30618	0.29%	1943	15.76	DNIC-ASBLK-00306-00371, US
27	10620	28689	0.28%	3456	8.30	Telmex Colombia S.A., CO
28	9829	27556	0.27%	1862	14.80	BSNL-NIB National Internet Backbone, IN
29	45899	27548	0.27%	3332	8.27	VNPT-AS-VN VNPT Corp, VN
30	6079	27378	0.26%	1543	17.74	RCN-AS, US
31	12479	27029	0.26%	7458	3.62	UNI2-AS, ES
32	28840	25898	0.25%	321	80.68	TATTELECOM-AS, RU
33	28573	24366	0.23%	1525	15.98	Claro NXT Telecomunicacoes Ltda, BR
34	7552	23627	0.23%	3987	5.93	VIETEL-AS-AP Viettel Group, VN
35	31195	23313	0.22%	66	353.23	MF-DV-AS, RU
36	3302	22783	0.22%	54	421.91	AS-IRIDEOS, IT
37	29256	22302	0.21%	344	64.83	INT-PDN-STE-AS STE PDN Internal AS, SY
38	12714	22225	0.21%	342	64.99	MEGAFON-AS Moscow, Russia, RU
39	5371	22149	0.21%	289	76.64	DNIC-ASBLK-05120-05376, US
40	44244	22049	0.21%	640	34.45	IRANCELL-AS, IR
41	56	21599	0.21%	919	23.50	DNIC-AS-00056, US
42	11664	21484	0.21%	1314	16.35	Techtel LMDS Comunicaciones Interactivas S.A., AR
43	36352	21252	0.20%	2862	7.43	AS-COLOCROSSING, US
44	25184	21231	0.20%	228	93.12	AFRANET to AS62265 announce AS25184, IR
45	8369	20500	0.20%	83	246.99	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
46	29571	20108	0.19%	1191	16.88	ORANGE-COTE-IVOIRE, CI
47	22884	19110	0.18%	1065	17.94	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
48	5972	18647	0.18%	1414	13.19	DNIC-ASBLK-05800-06055, US
49	11492	18136	0.17%	4785	3.79	CABLEONE, US
50	13335	17981	0.17%	2407	7.47	CLOUDFLARENET, US
Total		2623469	25.20%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	396950	4578.0	0.04%	1	4578	COMSTBARTH-AS, FR
2	149038	4156.0	0.08%	2	8312	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
3	12770	4088.0	0.08%	2	8176	KHB1, RU
4	7954	4027.7	0.12%	3	12083	IMMENSE-NETWORKS, US
5	7821	3916.2	0.64%	17	66576	ZAYO-MN, US
6	29469	3378.0	0.03%	1	3378	GTU Khmelnitsky, Ukraine, UA
7	208907	3054.0	0.03%	1	3054	RISING-BRIDGE-TECHNOLOGY, GB
8	886	3050.0	0.03%	1	3050	SBH-IX-SERVICES, FR
9	56644	3048.0	0.03%	2	3048	SYNFS-AS, GB
10	51015	2793.0	0.05%	2	5586	IP-ANDREEV-AS, RU
11	216140	2622.5	0.05%	2	5245	SPLF, RU
12	137258	2622.0	0.03%	1	2622	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
13	13995	2362.0	0.02%	1	2362	PDRINET1, US
14	47358	2263.0	0.02%	1	2263	PIROGOVCENTER-AS, RU
15	269518	2263.0	0.11%	5	11315	INFIBRA TELECOM SERVICOS DE COMUNICACAO E TECNOLOG, BR
16	211613	2202.5	0.04%	2	4405	MSS_LLC, RU
17	5413	2186.1	2.06%	98	214242	WAVENET-AS5413, GB
18	33764	2121.5	0.04%	3	4243	AFRINIC-ZA-JNB-AS, MU
19	15766	2120.5	0.33%	16	33928	DOMICILIUM-AS, IM
20	136867	2085.3	0.06%	3	6256	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
21	39294	2019.0	0.14%	7	14133	LADA-MEDIA-AS, RU
22	40138	1888.2	0.11%	12	11329	MDNET, US
23	13341	1802.5	0.07%	5	7210	TRANQUILITY, US
24	265566	1795.8	0.07%	4	7183	TELESISTEMAS PENINSULARES SA DE CV, MX
25	49668	1795.0	0.02%	1	1795	ASPECT-AS, RU
26	51477	1783.0	0.02%	5	1783	TKANDALAKSHA-AS, RU
27	60484	1781.0	0.03%	2	3562	ASEVER-AS, RU
28	48780	1779.4	0.09%	5	8897	OLTELECOM-AS, RU
29	64469	1738.0	0.02%	1	1738	UNICOM-AS, RU
30	401015	1714.0	0.02%	1	1714	SCIENCE-DMZ-RESEARCH-NETWORK, US
31	52852	1503.4	0.07%	5	7517	Last Mile Telecom, BR
32	28657	1438.3	0.04%	3	4315	MD Brasil - Tecnologia da Informacao Ltda, BR
33	25048	1418.2	0.07%	5	7091	DSNET DSNet, GB
34	38261	1392.0	0.01%	1	1392	PUNJLLOYD-AS PUNJ LLOYD LIMITED, IN
35	140552	1383.0	0.04%	3	4149	CBBANK-AS-AP Co-operative Bank Public Company Limited, MM
36	36719	1373.0	0.01%	1	1373	MMU-53-AS-NET, US
37	133872	1354.5	0.03%	2	2709	ERNSTYOUNG-AS-AP-IN EYGBS India Pvt Ltd, IN
38	56664	1242.4	0.06%	5	6212	ASSIGMA, RU
39	270168	1221.0	0.02%	2	2442	Alejandro Uballe Montoya, MX
40	45720	1137.0	0.02%	2	2274	IDNIC-LPDB-AS-ID Lembaga Pengelola Dana Bergulir, ID
41	197320	1102.0	0.01%	1	1102	NPA-AS, GB
42	212764	1087.0	0.02%	3	2174	UNIWAGON-AS, RU
43	8613	1066.3	0.03%	3	3199	WAVENET-AS8613, GB
44	139955	959.3	0.06%	6	5756	DATAPRIME-AS-ID PT DATA PRIMA SOLUSINDO, ID
45	8791	957.0	0.03%	3	2871	FOEHN, GB
46	210239	931.5	0.02%	2	1863	ZNIIS-AS, RU
47	153596	924.0	0.01%	1	924	SWISPPL-AS-AP SWIS, PK
48	149614	924.0	0.01%	1	924	TSIIPL-AS-IN TRANSACTION SOLUTIONS INTERNATIONAL INDIA PRIVATE LIMITED, IN
49	205605	895.0	0.01%	1	895	ID-PROCESSING, AM
50	399240	895.0	0.03%
Total		100237.1	5.08%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	202.181.232.0/23	12212	0.11%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
2	207.167.116.0/22	12075	0.11%	7954 -- IMMENSE-NETWORKS, US
3	124.195.190.0/24	10882	0.10%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
4	55.74.57.0/24	10822	0.10%	335 -- DNIC-ASBLK-00306-00371, US
5	55.74.56.0/24	10822	0.10%	335 -- DNIC-ASBLK-00306-00371, US
6	130.137.231.0/24	10718	0.10%	16509 -- AMAZON-02, US
7	55.27.217.0/24	10177	0.09%	335 -- DNIC-ASBLK-00306-00371, US
8	55.27.56.0/24	10172	0.09%	335 -- DNIC-ASBLK-00306-00371, US
9	55.67.56.0/24	10156	0.09%	335 -- DNIC-ASBLK-00306-00371, US
10	186.83.117.0/24	8496	0.08%	10620 -- Telmex Colombia S.A., CO
11	173.82.125.0/24	8443	0.08%	16509 -- AMAZON-02, US
12	130.137.12.0/24	8356	0.08%	16509 -- AMAZON-02, US
13	130.137.108.0/24	8353	0.08%	16509 -- AMAZON-02, US
14	130.137.230.0/24	7764	0.07%	16509 -- AMAZON-02, US
15	130.137.219.0/24	7492	0.07%	16509 -- AMAZON-02, US
16	173.82.66.0/24	7455	0.07%	16509 -- AMAZON-02, US
17	177.86.122.0/23	7449	0.07%	52852 -- Last Mile Telecom, BR
18	130.137.80.0/24	7330	0.07%	16509 -- AMAZON-02, US
19	130.137.79.0/24	7287	0.07%	16509 -- AMAZON-02, US
20	130.137.118.0/24	7211	0.07%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
21	199.47.232.0/22	7195	0.07%	13341 -- TRANQUILITY, US
22	45.172.92.0/22	7139	0.07%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
23	223.196.29.0/24	7078	0.07%	55644 -- VIL-AS-AP Vodafone Idea Ltd, IN
24	84.205.66.0/24	7026	0.07%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
25	195.114.123.0/24	6757	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
26	173.82.67.0/24	6704	0.06%	16509 -- AMAZON-02, US
27	195.114.122.0/24	6698	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
28	193.105.156.0/24	6643	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
29	130.137.89.0/24	6581	0.06%	14618 -- AMAZON-AES, US
30	130.137.28.0/24	6562	0.06%	16509 -- AMAZON-02, US
31	130.137.105.0/24	6548	0.06%	16509 -- AMAZON-02, US
32	130.137.127.0/24	6526	0.06%	16509 -- AMAZON-02, US
33	173.82.108.0/24	6475	0.06%	16509 -- AMAZON-02, US
34	173.82.63.0/24	6467	0.06%	16509 -- AMAZON-02, US
35	130.137.124.0/24	6447	0.06%	16509 -- AMAZON-02, US
36	130.137.26.0/24	6400	0.06%	16509 -- AMAZON-02, US
37	130.137.150.0/24	6399	0.06%	16509 -- AMAZON-02, US
38	130.137.130.0/24	6384	0.06%	16509 -- AMAZON-02, US
39	130.137.140.0/24	6377	0.06%	16509 -- AMAZON-02, US
40	130.137.90.0/24	6362	0.06%	16509 -- AMAZON-02, US
41	130.137.78.0/24	6354	0.06%	16509 -- AMAZON-02, US
42	173.82.129.0/24	6333	0.06%	16509 -- AMAZON-02, US
43	130.137.136.0/24	6324	0.06%	16509 -- AMAZON-02, US
44	130.137.99.0/24	6318	0.06%	16509 -- AMAZON-02, US
45	130.137.85.0/24	6304	0.06%	16509 -- AMAZON-02, US
46	130.137.147.0/24	6282	0.06%	16509 -- AMAZON-02, US
47	130.137.47.0/24	6281	0.06%	16509 -- AMAZON-02, US
48	130.137.227.0/24	6258	0.06%	16509 -- AMAZON-02, US
49	130.137.86.0/24	6248	0.06%	16509 -- AMAZON-02, US
50	130.137.81.0/24	6238	0.06%	16509 -- AMAZON-02, US
Total		379380	3.54%

14 Day BGP Profile: 30-October-2025 00:00 - 12-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	25149022
Number of Prefix Updates:	10391940
Number of Prefix Withdrawals:	346808
Average Prefixes per BGP Update:	0.43
Average BGP Update Messages per second:	20.79
Average Prefix Updates per second:	8.88
Peak BGP Update Message Rate per second:	63448	(02:39:23 Tue, 4-Nov-2025)
Peak Prefix Update Rate per second:	3283	(20:18:44 Thu, 30-Oct-2025)
Peak Prefix Withdraw Rate per second:	46998	(02:37:30 Tue, 4-Nov-2025)
Prefix Count:	1059225
Updated Prefix Count:	843897
Stable Prefix Count:	215328
Origin AS Count:	77597
Updated Origin AS Count:	69527
Stable Origin AS Count:	8070
Unique Path Count:	615713
Updated Path Count:	486106
Stable Path Count:	129607

Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type

Hourly Peak of Per-Second Updated Prefix Rate by Update Type

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates

Notes

The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.